CN109399330B

CN109399330B - Cable pay-off rack

Info

Publication number: CN109399330B
Application number: CN201811185616.5A
Authority: CN
Inventors: 胡建军; 赵天宝
Original assignee: Beijing Zhongke Zhongdian Power Engineering Management Co ltd
Current assignee: Beijing Zhongke Zhongdian Power Engineering Management Co ltd
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2020-12-22
Anticipated expiration: 2038-10-11
Also published as: CN109399330A

Abstract

The invention discloses a cable pay-off rack, which belongs to the technical field of cable installation and is technically characterized by comprising a base, wherein two rack bodies are arranged on the upper surface of one end of the base side by side, a space for placing a cable coil is reserved between the rack bodies, each rack body comprises a support frame and a support rod, the top ends of the support rods are hinged together, the bottom ends of the support rods are hinged to the base, the bottom ends of the support rods are movably connected to the base, supporting members are arranged at the top ends of the support frames, rotating shafts are arranged between the supporting members, sliding rails are arranged on the base, the bottom ends of the support rods are slidably connected with the sliding rails through driving blocks hinged to the bottom ends of the support rods, lead screws are respectively and rotatably connected in the opposite sliding rails, the lead. The cable pay-off rack has the advantages that the supporting position of the cable pay-off rack is controlled to rise and fall, so that a lifting device does not need to be additionally arranged when a large cable coil is placed.

Description

Cable pay-off rack

Technical Field

The invention relates to the technical field of cable installation, in particular to a cable pay-off rack.

Background

In recent years, due to the transformation project of a power grid, a large number of cables need to be laid, when a power system worker conducts paying-off operation, a cable pay-off rack is generally used for paying-off operation, a cable reel is prevented from being arranged on a shaft rod of the cable pay-off rack, and paying-off operation can be conducted by rotating the cable reel.

When the cable is placed on the cable pay-off rack, the rotating shaft penetrates through the cable drum, and the cable drum penetrated with the rotating shaft is manually lifted to the supporting position of the cable pay-off rack. However, with the continuous development of power systems, cables with different wire diameters are required, so that cable drums with different diameters appear. When the diameter of the cable reel is large, it is very difficult to lift the cable reel to the supporting position of the cable pay-off rack, and the cable reel needs to be placed at the supporting position of the cable pay-off rack by lifting the cable reel by adopting a lifting device.

Disclosure of Invention

The invention aims to provide a cable pay-off rack which has the advantages that the supporting position of the cable pay-off rack is controlled to rise and fall, and therefore a lifting device does not need to be additionally arranged when a large cable coil is placed.

The technical purpose of the invention is realized by the following technical scheme:

a cable pay-off rack comprises a horizontally placed rectangular base, wherein two rack bodies are arranged on the upper surface of one end of the base side by side, a space for placing a cable coil is reserved between the rack bodies, each rack body comprises a support frame and a support rod, the top ends of the support rods are hinged together, the bottom ends of the support rods are hinged to the base, the bottom ends of the support rods are movably connected to the base, the support rods, the support frames and the base enclose a triangular structure, support members are arranged at the top ends of the support frames, a rotating shaft is arranged between the support members at the top ends of the two support frames, slide rails are respectively arranged on one sides, facing the support frames, of the two rack bodies on the base, the two slide rails are arranged in parallel and opposite to each other, the two ends of the length direction of the slide rails respectively point to the bottom ends of the support frames and the bottom ends of the support rods, the screw rod penetrates through the driving block and is connected with the screw nut of the driving block, and the base is provided with a driving mechanism which synchronously drives the two screw rods to rotate together.

Through adopting above-mentioned technical scheme, drive two lead screws through actuating mechanism on the base in step and rotate, along with the rotation of lead screw, thereby the bottom that drives the bracing piece moves in the slide rail, along with the removal of bracing piece, thereby make the bracing piece and the high rising or the decline of the top position of support frame, when installing cable drum, with support piece's high descending, place cable drum between two support bodies, adjust support piece's height until relative with cable drum's centre bore, after passing cable drum's centre bore with the revolving axle, rise at control support piece, along with support piece rises, thereby it rises to drive cable drum.

The invention is further configured to: the driving mechanism comprises a rotating shaft positioned between two lead screws, the axis of the rotating shaft is perpendicular to the axis of the lead screws, two ends of the rotating shaft are respectively connected through meshed bevel gears, and a driving assembly for driving the rotating shaft to rotate is arranged on the base.

Through adopting above-mentioned technical scheme, drive two lead screws through a axis of rotation simultaneously and rotate to make two spinal branch vaulting pole bottom synchronous motion, thereby guarantee that the altitude variation of relative support body is the same.

The invention is further configured to: the driving assembly comprises a first gear fixed on the rotating shaft and a driving motor driving the rotating shaft to rotate, and a second gear meshed with the first gear is fixed on an output shaft of the driving motor.

Through adopting above-mentioned technical scheme, rotate through the first gear and the second gear that mutually support to drive the axis of rotation and take place to rotate.

The invention is further configured to: the support piece comprises a first body and a second body which are in a semicircular arc shape, an annular structure is formed when the first body and the second body are buckled, one end of the first body is hinged with one end of the second body, and the other end of the first body is fixed together through a bolt and nut assembly.

Through adopting above-mentioned technical scheme, avoid breaking away from the pivot in the in-process of defence line from the support piece.

The invention is further configured to: the bracing piece is located between adjusting axle bed and the connecting block including adjusting axle bed, adjusting screw and connecting block, and adjusting screw links to each other with the screw thread between the adjusting axle bed, and adjusting screw revolves with the connecting block and links to each other.

Through adopting above-mentioned technical scheme, can adjust the length of bracing piece according to cable drum's size.

The invention is further configured to: the adjusting screw rod is provided with a rotating handle, and the adjusting shaft seat is provided with a fixed handle.

Through adopting above-mentioned technical scheme, the twist grip and the fixed handle are held respectively to both hands to be convenient for rotate adjusting screw, thereby adjust the length of bracing piece.

The invention is further configured to: the cable drum connecting part is arranged on the rotating shaft and used for being connected with a cable drum, the cable drum connecting part comprises a connecting rod welded on the rotating shaft, the connecting rod is perpendicular to the rotating shaft, one end, far away from the rotating shaft, of the connecting rod is provided with a long groove penetrating through the connecting rod, a sliding block is connected in the long groove in a sliding mode, the surfaces, opposite to the groove openings at the two ends of the long groove, of the sliding block respectively extend out of the groove openings of the long groove, the two ends, extending out of the groove openings of the long groove, of the sliding block are respectively provided with.

By adopting the technical scheme, the rotating shaft is fixed with the cable coil, and when the cable is prevented, the rotating shaft synchronously rotates along with the cable coil, so that the stability of paying off is ensured.

The invention is further configured to: the bolt is including inserting the pin rod in the through-hole and being located the outside round pin cap of through-hole, and the area of round pin cap is compared the drill way area of through-hole and is big, is provided with the spring between round pin cap and the slider, and the both ends of spring are fixed with round pin cap and slider respectively and are linked to each other.

Through adopting above-mentioned technical scheme, fix bolt and slider to thereby avoid bolt and slider to break away from and cause the loss of bolt.

The invention is further configured to: the four corners of the lower surface of the base are provided with universal wheels.

Through adopting above-mentioned technical scheme, conveniently push away cable pay off rack to appointed position.

The invention is further configured to: the four corners of the base are provided with hydraulic support legs which support the base so as to separate the universal wheels from the ground.

Through adopting above-mentioned technical scheme, prop up the base through hydraulic leg to guarantee the holistic stability of cable pay off rack in the time of preventing the line.

In conclusion, the invention has the following beneficial effects:

1. the lead screw is synchronously driven by the driving mechanism, the lead screw drives the bottom end of the supporting rod to move in the slide rail, the supporting piece is controlled to rise, and the cable coil is driven to rise along with the rising of the supporting piece;

2. the universal wheels are arranged, so that the cable pay-off rack is convenient to push;

3. the base is supported through the hydraulic support legs, so that the overall stability of the cable pay-off rack is guaranteed in the process of wire prevention.

Drawings

FIG. 1 is a schematic structural view of a cable payoff stand;

FIG. 2 is a rear side view of the cable payoff stand;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

FIG. 4 is a partial enlarged view of the portion B in FIG. 2;

FIG. 5 is a schematic structural view of the support member;

fig. 6 is a schematic view showing the structure of a rotating shaft.

In the figure, 1, a base; 2. a frame body; 21. a support frame; 22. a support bar; 221. adjusting the shaft seat; 2211. fixing a handle; 222. adjusting the screw rod; 2221. rotating the handle; 223. connecting blocks; 3. a support member; 31. a first body; 32. a second body; 4. a rotating shaft; 41. a connecting rod; 411. a long groove; 412. a stopper; 42. a slider; 421. flanging; 43. a bolt; 431. a pin rod; 432. a pin cap; 44. a spring; 5. a slide rail; 6. a lead screw; 61. a first bevel gear; 7. a drive block; 8. a drive mechanism; 81. a rotating shaft; 811. a first gear; 812. a second bevel gear; 82. a drive motor; 821. a second gear; 9. a universal wheel; 10. and (5) hydraulic support legs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

A cable pay-off rack is shown in figure 1 and comprises a horizontally arranged rectangular base 1, wherein the base 1 is formed by splicing a plurality of section steels, and the section steels are fixedly welded and connected. Two frame bodies 2 are arranged at one end of the upper surface of the base 1 side by side, and the two frame bodies 2 are arranged oppositely. A space for placing a cable coil is reserved between the two frame bodies 2.

The frame body 2 comprises a support frame 21 and a support rod 22, the top ends of which are hinged together, wherein the support frame 21 and the support rod 22 are arranged at an included angle. The bottom end of the supporting frame 21 is hinged with the upper surface of the base 1, and the bottom end of the supporting rod 22 is movably connected with the upper surface of the base 1. A triangular structure is formed among the supporting frame 21, the supporting rod 22 and the base 1. On one side of the supporting frame 21 facing the supporting rod 22, a "U" -shaped sliding rail 5 is fixed to the upper surface of the base 1 in a welding manner, and the length directions of the sliding rail 5 respectively point to the bottom end of the supporting frame 21 and the bottom end of the supporting rod 22. The bottom end of the supporting frame 21 is connected with the sliding rail 5 in a sliding way through a driving block 7 hinged at the bottom end of the supporting frame 21, wherein the size of the driving block 7 is matched with that of the sliding rail 5.

A screw rod 6 is rotatably supported inside the slide rail 5, the length direction of the screw rod 6 is the same as that of the slide rail 5, and the screw rod 6 penetrates through a driving block 7 in the slide rail 5 and is connected with a screw nut between the driving block 7. When the lead screw 6 rotates, the driving block 7 is driven to move along the length direction of the slide rail 5, so as to pull the supporting rod 22. Along with the movement of the support bar 22, the heights of the top ends of the support frame 21 and the support bar 22 are raised or lowered along with the movement of the support bar 22.

As shown in fig. 2 and 3, a driving mechanism 8 for driving the opposing lead screws 6 to rotate synchronously is provided at one end of the opposing lead screws 6 near the support frame 21. The driving mechanism 8 comprises a rotating shaft 81 positioned between the opposite lead screws 6, and two ends of the rotating shaft 81 are respectively connected with the opposite lead screws 6 through a first bevel gear 61 and a second bevel gear 812 which are meshed with each other, wherein the first bevel gear 61 is fixed on the lead screws 6, and the second bevel gear 812 is fixed on the rotating shaft 81.

As shown in fig. 2 and 4, a driving motor 82 for driving the rotating shaft 81 to rotate is disposed at a middle position of the rotating shaft 81 in the length direction, wherein the driving motor 82 is fixed on the base 1. The axis of the drive motor 82 is parallel to the axis of the rotating shaft 81. A first gear 811 is fixed to the shaft body of the rotating shaft 81, and a second gear 821 is fixed to the output shaft of the drive motor 82, wherein the first gear 811 and the second gear 821 mesh with each other.

As shown in fig. 2, the support rod 22 includes an adjusting shaft seat 221, an adjusting screw 222 and a connecting block 223, wherein the adjusting screw 222 is located between the adjusting shaft seat 221 and the connecting block 223, the adjusting screw 222 is in threaded connection with the adjusting shaft seat 221, and the adjusting screw 222 is rotatably connected with the connecting block 223. The connecting block 223 is hinged with the supporting frame 21, and the adjusting shaft seat 221 is hinged with the driving block 7. A rotating handle 2221 and a fixed handle 2211 are fixed on the adjusting screw 222 and the adjusting shaft seat 221, respectively. The length of the support rod 22 can be adjusted by rotating the adjusting screw 222 by holding the rotating handle 2221 and the fixed handle 2211 with both hands.

As shown in fig. 5, the top end of the support frame 21 is fixed by welding with a support member 3, wherein the support member 3 includes a first body 31 and a second body 32 in a semi-circular arc shape. The first body 31 and the second body 32 form a complete circular ring structure when they are snapped together. One end of the first body 31 and one end of the second body 32 are hinged together through a rotating shaft, and the other opposite ends are fixedly connected through a bolt and nut assembly.

As shown in fig. 1, a rotating shaft 4 for supporting a cable drum is provided between the supporting members 3 at the top ends of the opposite two housing bodies 2, and both ends of the rotating shaft 4 are inserted into the inner holes of the supporting members 3 at the top ends of the two housing bodies 2, respectively, and are rotatably coupled to the supporting members 3.

As shown in fig. 6, the rotary shaft 4 is provided with a wire coil connecting portion for connecting a cable coil, wherein the wire coil connecting portion includes a connecting rod 41 welded and fixed to the rotary shaft 4. One end of the connecting rod 41 far away from the rotating shaft 4 is provided with a long groove 411 which penetrates through the connecting rod 41, and the length direction of the long groove 411 is the same as that of the connecting rod 41.

The long groove 411 is slidably connected with a slider 42, and the slider 42 is exposed from the notches at the two ends of the long groove 411 respectively relative to the surfaces of the notches at the two ends of the long groove 411. Flanges 421 extending to both sides of the slot 411 are respectively provided on both end surfaces of the slider 42 exposed out of the slot 411, and the flanges 421 are integrally formed with the slider 42. Through holes penetrating the slider 42 are formed in the slider 42 on the surfaces of the notches of the long grooves 411, and the pins 43 are inserted into the through holes. The plug 43 includes a pin rod 431 inserted into the inside of the through-hole and a pin cap 432 positioned outside the through-hole, and the area of the pin cap 432 is larger than that of the through-hole. A spring 44 is arranged between the pin cap 432 and the sliding block 42, the spring 44 is sleeved on the pin rod 431, and two ends of the spring 44 are fixedly connected with the pin cap 432 and the sliding block 42 respectively. An opening for the slider 42 to be inserted into the long groove 411 is formed at one end of the long groove 411 away from the pivot 4, and a stopper 412 for closing the opening is fixed at the opening.

As shown in fig. 1, universal wheels 9 are fixed to four corners of the lower surface of the base 1. The four corners of the base 1 are respectively fixed with extendable hydraulic legs 10, and the hydraulic legs 10 are vertically arranged. When the electric wire pay-off rack needs to be moved, the hydraulic support legs 10 are retracted, the universal wheels 9 are abutted to the ground, and therefore the electric wire pay-off rack is pushed. When the universal wheel is sent to a designated place, the hydraulic support legs 10 are started, the hydraulic support legs 10 extend out and support the base 1, and meanwhile, the universal wheels 9 are separated from the ground.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a cable pay-off rack, includes base (1) of the rectangle that the level was placed, the one end upper surface of base (1) sets up two support bodies (2) side by side, leave the space of placing the cable drum between support body (2), support body (2) include top articulated support frame (21) and bracing piece (22) together, the bottom of bracing piece (22) articulates on base (1), the bottom swing joint of bracing piece (22) is on base (1), bracing piece (22), support frame (21) and base (1) enclose into a triangle-shaped structure, support piece (3) have all been put on the top of support frame (21), are provided with revolving axle (4), its characterized in that between support piece (3) on two support frame (21) tops: one side of the support frame (21) facing the support frame (21) in the two frame bodies (2) on the base (1) is respectively provided with a slide rail (5), the two slide rails (5) are arranged in parallel and oppositely, the two ends of the length direction of the slide rail (5) respectively point to the bottom end of the support frame (21) and the bottom end of the support rod (22), the bottom end of the support rod (22) is connected with the slide rail (5) in a sliding manner through a driving block (7) hinged at the bottom end of the support rod (22), the opposite slide rails (5) are respectively connected with a lead screw (6) in a rotating manner, the lead screw (6) drives the driving block (7) to move in the slide rail (5) along the length direction of the slide rail (5), the lead screw (6) penetrates through the driving block (7) and is connected with a lead screw nut of the driving block (7), the base (1) is provided, actuating mechanism (8) are including axis of rotation (81) that is located between two lead screws (6), the axis of rotation (81) is perpendicular with the axis of lead screw (6), the both ends of axis of rotation (81) link to each other through engaged with bevel gear respectively, be provided with on base (1) and drive axis of rotation (81) pivoted drive assembly, support piece (3) are including first body (31) and second body (32) that are half circular arc, form an annular structure during first body (31) and second body (32) lock, first body (31) and second body (32) one end are articulated, and the other end passes through the bolt and nut subassembly to be fixed together.

2. The cable reel of claim 1, wherein: the driving assembly comprises a first gear (811) fixed on the rotating shaft (81) and a driving motor (82) driving the rotating shaft (81) to rotate, and a second gear (821) meshed with the first gear (811) is fixed on an output shaft of the driving motor (82).

3. The cable reel of claim 1, wherein: the support rod (22) comprises an adjusting shaft seat (221), an adjusting screw rod (222) and a connecting block (223), the adjusting screw rod (222) is located between the adjusting shaft seat (221) and the connecting block (223), the adjusting screw rod (222) is in threaded connection with the adjusting shaft seat (221), and the adjusting screw rod (222) is in rotary connection with the connecting block (223).

4. The cable reel of claim 3, wherein: the adjusting screw rod (222) is provided with a rotating handle, and the adjusting shaft seat (221) is provided with a fixed handle.

5. The cable reel of claim 1, wherein: the rotary shaft (4) is provided with a wire coil connecting part for connecting with a cable wire coil, the wire coil connecting part comprises a connecting rod (41) welded on the rotary shaft (4), the connecting rod (41) is vertical to the rotating shaft (4), one end of the connecting rod (41) far away from the rotating shaft (4) is provided with a long groove (411) penetrating through the connecting rod (41), the long groove (411) is internally and slidably connected with a sliding block (42), the sliding block (42) respectively extends out of the notch of the long groove (411) relative to the surfaces of the notches at the two ends of the long groove (411), two ends of the sliding block (42) extending out of the notch of the long groove (411) are respectively provided with flanges (421) extending out of two sides of the notch of the long groove (411), the sliding blocks (42) are respectively provided with through holes penetrating through the sliding blocks (42) relative to the surfaces of the notches of the long grooves (411), and the through holes are inserted with bolts (43).

6. The cable reel of claim 5, wherein: the bolt (43) comprises a pin rod (431) inserted into the through hole and a pin cap (432) located outside the through hole, the area of the pin cap (432) is larger than that of an orifice of the through hole, a spring (44) is arranged between the pin cap (432) and the sliding block (42), and two ends of the spring (44) are fixedly connected with the pin cap (432) and the sliding block (42) respectively.

7. The cable reel of claim 1, wherein: the four corners of the lower surface of the base (1) are provided with universal wheels (9).

8. The cable reel of claim 7, wherein: and the four corners of the base (1) are provided with hydraulic support legs (10) for supporting the base (1) so as to separate the universal wheels (9) from the ground.